300-715 Implementing and Configuring Cisco Identity Services Engine (300-715 SISE)

An administrator is configuring RADIUS on a Cisco switch with a key set to Cisc407294634 but is receiving the error “Authentication failed: 22040 Wrong password or invalid shared secret.” What must be done to address this issue?

  • A. Add the network device as a NAD inside Cisco ISE using the existing key.
  • B. Configure the key on the Cisco ISE instead of the Cisco switch.
  • C. Validate that the key is correct on both the Cisco switch as well as Cisco ISE.
  • D. Use a key that is between eight and ten characters.
Answer: Option A.
Explanation: 

Reference: https://community.cisco.com/t5/network-access-control/authentication-failed/td-p/2224342

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